Agreed they are definitively not the same. Different part numbers, I believe the pass side one is stiffer as it takes more of the torque load.No, they are not the same. They have different levels of absorption, firmness, etc.
2000 Mercedes-benz C230 - Cylinder Block Components Parts -CORTECO,MEYLE,LEMFOERDER- Bma Auto Parts
Corteco is most likely oem as well.